G96A Exercise 1
Exercises
Using Data from the 1996 General Social Survey to Teach Transformations in SPSS
Edward E. Nelson
and Elizabeth N. Nelson
California State University, Fresno
G96A
Data
©
The Authors, 1998; Last Modified 16 August 1998
Note to
the instructor: The data set used in this exercise is g96asp.por which is a
subset of the 1996 General Social Survey. (Some of the variables in the GSS
have been recoded to make them easier to use and some new variables have been
created.) This exercise focuses on RECODE, COMPUTE, IF, and SELECT IF in SPSS.
The exercises were written to accompany SPSS for Windows Version 7.5: A Basic
Tutorial, by Richard Shaffer, Edward Nelson, Nan Chico, John Korey, Elizabeth
Nelson, and Jim Ross. The ISBN is 0-07-366023-X. There is a version of this
book (with accompanying data disk) currently available for SPSS 6. To order
this book, call McGraw-Hill at 1-800-338-3987. The ISBN is 0-07-913673-7. You
have permission to use this exercise and to revise it to fit your needs. Please
send a copy of any revision to the authors.
Authors:
Ed Nelson and Elizabeth Nelson
Department of Sociology
California State University, Fresno
Fresno, CA 93740
Phone:
209-278-2275 (Ed) and 209-278-2234 (Elizabeth)
Email:
ednelson@csufresno.edu and/or
elizn@csufresno.edu
Please contact
the authors for additional information.
Recode
- There are
two variables that refer to the highest year of school completed by the
respondent's mother and father (MAEDUC and PAEDUC). Do a frequency distribution
for each of these variables. Now recode each of them (into same variable)
into three categories: under 12 years of school, 12 years, and over 12 years.
Create new value labels for the recoded categories. Do a frequency distribution
again to make sure that you recoded correctly.
- INCOME91
is the total family income. Do a frequency distribution to see what the
variable looks like before recoding. Recode (into a different variable)
into eight categories: under $10,000, $10,000 to $19,999, $20,000 to $29,999,
$30,000 to $39,999, $40,000 to $49,999, $50,000 to $59,999, $60,000 to $74,999,
and $75,000 and over. Call this new variable INCOME1. Create new value labels
for the recoded categories. Do another frequency distribution to make sure
you recoded correctly. Now recode INCOME91 again (into a different variable).
This time use only four categories: under $20,000, $20,000 to $39,999, $40,000
to $59,999, and $60,000 and over. Call this new variable INCOME2. Create
new value labels for the recoded categories. Do another frequency distribution
to make sure you recoded correctly.
Compute
- There are
five variables that measure tolerance for letting someone speak in your
community who may have very different views than your own (SPKATH, SPKCOM,
SPKHOMO, SPKMIL, and SPKRAC). For each of these variables, 1 means that
they would allow such a person to speak and 2 means that they would not
allow it. Create a new variable (call it SPEAK) which is the sum of these
five variables. This new variable would have a range from 5 (would allow
a person to speak in each of the five scenarios) to 10 (would not allow
a person to speak in any of the five scenarios). Do a frequency distribution
for this new variable to see what it looks like.
- There are
several variables dealing with opinion on abortion. Create a new variable
called AB1 which is the sum of ABDEFECT, ABHLTH, and ABRAPE. For each of
these variables, 1 means that they would approve of a legal abortion under
the particular scenario and 2 means they would not approve. This new variable
will have a range from 3 (would approve in all three scenarios) to 6 (would
disapprove all three times). Do a frequency distribution for this new variable
to see what it looks like.
If
- There are
two variables that describe the highest educational degree of the respondent's
father and mother (PADEG and MADEG). Create a new variable (call it MAPAEDUC)
that indicates if the father and mother have a college education. This variable
should equal 1 if both parents have a college education, 2 if only the father
has a college education, 3 if only the mother has a college education, and
4 if neither parent has a college education. Create new value labels for
the recoded categories. Do a frequency distribution for this new variable
to see what it looks like.
- One variable
indicates how often the respondent prays (PRAY) and another variable indicates
if the respondent approves or disapproves of prayer in the public schools
(PRAYER). Create a new variable (call it PRY) that is a combination of these
two variables. This variable should equal 1 if the respondent prays a lot
(once a day or several times a day) and approves of prayer in the public
schools, 2 if the respondent prays a lot and disapproves of prayer in the
schools, 3 if the respondent doesn't pray a lot and approves of prayer in
the schools, and 4 if the respondent doesn't pray a lot and disapproves
of prayer in the schools. Create new value labels for the recoded categories.
Do a frequency distribution for this new variable to see what it looks like.
Select If
- Select all
males (1 on the variable SEX) and do a frequency distribution for the variable
FEAR (afraid to walk alone at night in neighborhood). Then select all females
(2 on the variable SEX) and do a frequency distribution on FEAR. Are males
or females more fearful of walking alone at night?
- Select all
whites (1 on the variable RACE) and do a frequency distribution for the
variable PRES92 (did they vote for Clinton, Bush, or Perot in 1992?). Then
select all blacks (2 on the variable RACE) and do a frequency distribution
on PRES92. Were whites or blacks more likely to vote for Clinton
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